body {
  position: relative;
  margin: 0;
  height: 100vh;
  background-color: #f5f5f5;
  font-family: Arial, sans-serif;
}
.card {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  position: absolute;
  top:0;
  right:0;
  bottom:0;
  left:0;
  margin:auto;
  width: 300px;
  height: 180px;
  padding: 20px;
  background-color: #ffffff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}
.en {
  font-size: 50px;
  font-weight: 600;
  letter-spacing: 1px;
}
.ch {
  text-align: center;
  font-size: 25px;
  letter-spacing: 1px;
  opacity: 0.9;
  font-weight: 400;
}
.input {
  max-width: 190px;
  border: none;
  outline: none;
  background: none;
  font-size: 18px;
  color: #fff;
  padding: 15px 5px 10px 20px;
  background-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0.8),
      rgba(0, 0, 0, 0)
    ),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
  background-position: bottom right, bottom right;
  background-size: 100% 100%, 100% 100%;
  background-repeat: no-repeat;
  box-shadow: inset -4px -10px 0px rgba(255, 255, 255, 0.4),
    inset -4px -8px 0px rgba(0, 0, 0, 0.3), 0px 2px 1px rgba(0, 0, 0, 0.3),
    0px 2px 1px rgba(255, 255, 255, 0.1);
  transform: perspective(70px) rotateX(5deg) rotateY(0deg);
  border-radius: 10px;
}

.input::before {
  background-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0.8),
      rgba(0, 0, 0, 0)
    ),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
  background-position: bottom right, bottom right;
  background-size: 100% 100%, 100% 100%;
  background-repeat: no-repeat;
  z-index: -1;
  border-radius: 15px;
  transition: all 0.1s ease-in-out 0s;
}

.input:focus {
  border: 2px solid #c3c6ce;
}

.input::placeholder {
  color: #fff;
  transition: all 0.3s ease;
}

.input:focus::placeholder {
  color: #999;
}

//按钮特效
.toggleWrapper {
  overflow: hidden;
  padding: 0 200px;
  transform: translate3d(-50%, -50%, 0);
  color: white;
}

.toggleWrapper input {
  position: absolute;
  left: -99em;
}

.toggle {
  cursor: pointer;
  display: inline-block;
  position: relative;
  left: 20px;
  top:20px;
  width: 90px;
  height: 50px;
  background-color: #83d8ff;
  border-radius: 84px;
  transition: background-color 200ms cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

.toggle:before {
  content: "";
  position: absolute;
  left: -50px;
  top: 15px;
  font-size: 18px;
}

.toggle:after {
  content: "";
  position: absolute;
  right: -48px;
  top: 15px;
  font-size: 18px;
  color: #749ed7;
}

.toggle__handler {
  display: inline-block;
  position: relative;
  z-index: 1;
  top: 3px;
  left: 3px;
  width: 44px;
  height: 44px;
  background-color: #ffcf96;
  border-radius: 50px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: all 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transform: rotate(-45deg);
}

.toggle__handler .crater {
  position: absolute;
  background-color: #e8cda5;
  opacity: 0;
  transition: opacity 200ms ease-in-out;
  border-radius: 100%;
}

.toggle__handler .crater--1 {
  top: 18px;
  left: 10px;
  width: 4px;
  height: 4px;
}

.toggle__handler .crater--2 {
  top: 28px;
  left: 22px;
  width: 6px;
  height: 6px;
}

.toggle__handler .crater--3 {
  top: 10px;
  left: 25px;
  width: 8px;
  height: 8px;
}

.star {
  position: absolute;
  background-color: #fff;
  transition: all 300ms cubic-bezier(0.445, 0.05, 0.55, 0.95);
  border-radius: 50%;
}

.star--1 {
  top: 10px;
  left: 35px;
  z-index: 0;
  width: 30px;
  height: 3px;
}

.star--2 {
  top: 18px;
  left: 28px;
  z-index: 1;
  width: 30px;
  height: 3px;
}

.star--3 {
  top: 27px;
  left: 40px;
  z-index: 0;
  width: 30px;
  height: 3px;
}

.star--4,
.star--5,
.star--6 {
  opacity: 0;
  transition: all 300ms 0 cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

.star--4 {
  top: 16px;
  left: 11px;
  z-index: 0;
  width: 2px;
  height: 2px;
  transform: translate3d(3px, 0, 0);
}

.star--5 {
  top: 32px;
  left: 17px;
  z-index: 0;
  width: 3px;
  height: 3px;
  transform: translate3d(3px, 0, 0);
}

.star--6 {
  top: 36px;
  left: 28px;
  z-index: 0;
  width: 2px;
  height: 2px;
  transform: translate3d(3px, 0, 0);
}

input:checked + .toggle {
  background-color: #749dd6;
}

input:checked + .toggle:before {
  color: #749ed7;
}

input:checked + .toggle:after {
  color: #fff;
}

input:checked + .toggle .toggle__handler {
  background-color: #ffe5b5;
  transform: translate3d(40px, 0, 0) rotate(0);
}

input:checked + .toggle .toggle__handler .crater {
  opacity: 1;
}

input:checked + .toggle .star--1 {
  width: 2px;
  height: 2px;
}

input:checked + .toggle .star--2 {
  width: 4px;
  height: 4px;
  transform: translate3d(-5px, 0, 0);
}

input:checked + .toggle .star--3 {
  width: 2px;
  height: 2px;
  transform: translate3d(-7px, 0, 0);
}

input:checked + .toggle .star--4,
input:checked + .toggle .star--5,
input:checked + .toggle .star--6 {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

input:checked + .toggle .star--4 {
  transition: all 300ms 200ms cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

input:checked + .toggle .star--5 {
  transition: all 300ms 300ms cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

input:checked + .toggle .star--6 {
  transition: all 300ms 400ms cubic-bezier(0.445, 0.05, 0.55, 0.95);
}


//点击提交按钮特效
